How hard is “period tracker”?
Real, Apple-confirmed search demand (High). Apple fills the top ten for almost every search, so a full board says nothing yet — we haven't checked how many of these apps are genuinely about it. Until we have, this is neither open nor contested.
Search Ads: High
Ratings across the top 10: p25 52.3K · median 87.7K · p75 173.9K · max 2M
| # | App | Ratings | Chart rank |
|---|---|---|---|
| 1 | Flo Cycle & Period TrackerHealth & Fitness | 2M | #2 |
| 2 | Period Tracker Period CalendarHealth & Fitness | 173.9K | #41 |
| 3 | Stardust Period TrackerHealth & Fitness | 117.8K | #25 |
| 4 | Period Tracker by GP AppsHealth & Fitness | 77.8K | — |
| 5 | Clue Period & Cycle TrackerHealth & Fitness | 404.5K | #32 |
| 6 | Period Tracker and CalendarHealth & Fitness | 54.2K | — |
| 7 | My Cycle Health & Fitness | 97.5K | — |
| 8 | Lively - Period Tracker, CycleHealth & Fitness | 52.3K | #42 |
| 9 | Period Tracker ⋆Health & Fitness | 25.2K | — |
| 10 | Musa: Period & PregnancyHealth & Fitness | 11.6K | — |
15 more apps in this board
The top 10 are above. The rest of the board, and how each one moved, are one click away.
10 tracked apps in the top 10 as of 2026-09-29, out of about 170 results.
Subscribers needed for a target MRR
Type in prices you’ve actually seen on a competitor’s paywall — this repo has no way to scrape subscription tiers, only the App Store’s public data. Monthly and annual plans are normalised so they can be compared honestly.
5% is a commonly-cited starting point for a consumer subscription app — not measured against this niche. Edit it.
Positions come from Apple’s public Search API — the top 25 are stable enough to read as a ranking, and an app missing from this table is outside the first ~190 results rather than absent from search. Ratings and chart ranks are the same numbers Apple shows anyone. Nothing here is a prediction.